The 10973 pan world magnet drive pump 220240v 5060 hz 250w nh250ps is engineered for reliable, low-pulsation fluid transfer in demanding environments. This compact magnetic drive unit combines brushless operation with precise speed control to serve niche industrial and laboratory applications.
Designed around a dry-running magnet coupling, the nh250ps minimizes maintenance while protecting the motor from shock loads and particulate contamination. The 220240v 5060 hz configuration enables compatibility with both North American and global power grids, making it a flexible choice for OEM installations.
| Model | Voltage / Frequency | Power | Flow Range | Max Pressure |
|---|---|---|---|---|
| Pan World 10973 NH250PS | 220–240V / 50–60 Hz | 250W | 0.5–2.5 L/min | 2.0 bar |
| Magnet Drive Type | Dry-running Coupling | Bearingless Design | Speed Range | 50–60 Hz |
| Seal Arrangement | Carbon & PTFE | Chemical Compatibility | Media Compatibility | Ambient Temp |
| Port Size | 1/4" NPT | Weight | Enclosure | Protection Rating |
| 1/4" Flare | 1.1 kg | Aluminum Alloy | IP40 | Factory Calibrated |
Operational Principle of the Magnet Drive
How Magnetic Coupling Transmits Motion
The 10973 pan world magnet drive pump uses an outer rotor bonded to the motor and an inner rotor attached to the impeller, separated by a thin containment shell. Torque transfers through magnetic fields, eliminating the need for mechanical seals and removing a common failure path. This layout ensures a hermetic barrier that protects the motor from harsh process fluids.
Impact on Efficiency and Cavitation Resistance
Because the magnet drive introduces minimal parasitic loss, the nh250ps maintains high efficiency across its operating range. The absence of dynamic seals lowers vibration, improving hydraulic smoothness and reducing the likelihood of transient cavitation in variable head applications.
Electrical and Mechanical Specifications
Input Voltage and Frequency Flexibility
The 220240v 5060 hz winding allows direct connection to 220–240V AC at 50 Hz or 60 Hz without tap changes. Designers benefit from a universal input that simplifies global sourcing and field wiring while maintaining nameplate performance at both line frequencies.
Enclosure, Cooling, and Protection
An aluminum alloy enclosure acts as a heatsink, stabilizing winding temperature during continuous duty. The IP40 rating suits protected indoor installations, and the compact footprint integrates easily into skid-mounted systems or analytical instruments.
Maintenance Benefits and Media Compatibility
Seal-less Design and Contamination Control
Traditional mechanical seals can leak or wear prematurely when handling abrasive or high-purity fluids. The magnet drive eliminates this risk, while carbon and PTFE components resist corrosion from aggressive chemicals. Routine checks focus on magnetic integrity and lubricant condition rather than seal replacement.
Media Range and Operational Limits
This pump handles water-based solvents, light oils, and mildly aggressive chemistries provided they are compatible with the wetted alloys. Viscosity above the rated range or entrained solids can reduce efficiency and increase bearing stress on the inner rotor, so filtration upstream is recommended.
Implementation Guidance and Key Takeaways
- Confirm fluid compatibility using the chemical resistance chart before initial installation.
- Maintain slight positive pressure at the inlet to avoid cavitation and ensure consistent magnet coupling performance.
- Use filtered clean water or compatible solvents to protect the inner rotor from particulate abrasion.
- Verify motor input voltage and frequency match local supply to avoid derating or overheating.
- Schedule periodic inspection of the containment shell and monitor for any signs of vapor release or unusual vibration.
FAQ
Reader questions
Can the 10973 pan world magnet drive pump handle aggressive solvents like acetone or methanol?
Verify chemical compatibility with the manufacturer's material list; acetone and methanol are generally compatible with standard wetted alloys, but prolonged exposure or high purity requirements may necessitate specific seal face materials or vapor-phase protection.
What is the expected noise level at 60 Hz full load?
Because the magnet drive lacks mechanical seals and the motor runs at a steady synchronous speed, noise is typically low, often below 45 dBA at one meter, making it suitable for benchtop analytical equipment or quiet laboratory settings.
Is it safe to operate the nh250ps continuously at the rated 250W power?
Yes, the 250W rating accounts for continuous operation within the specified ambient temperature range, provided that the pump is not run dry and the inlet pressure remains sufficient to prevent cavitation.
How does the 5060 Hz design affect speed regulation compared to 50 Hz?
At 60 Hz, the magnetic synchronous speed increases proportionally, which slightly raises flow and head; however, built-in motor control tolerances keep performance stable across both frequencies without requiring mechanical adjustments.